Tetramethylurea Back Catalog number: 71406 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19097 EPA Method 602 - Surrogate Standard Price on request 11774.12-100-IO 2,3,3',4,4',5,5',6-Octachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 673148 Bis(triethylammonium) d6-propylenbis(dithiocarbama Price on request